2201445551 has 2 divisors, whose sum is σ = 2201445552. Its totient is φ = 2201445550.

The previous prime is 2201445539. The next prime is 2201445557. The reversal of 2201445551 is 1555441022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201445551 - 2⁶ = 2201445487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201445557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100722775 + 1100722776.

It is an arithmetic number, because the mean of its divisors is an integer number (1100722776).

Almost surely, 2^2201445551 is an apocalyptic number.

2201445551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201445551 is an equidigital number, since it uses as much as digits as its factorization.

2201445551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2201445551 is about 46919.5646932066. The cubic root of 2201445551 is about 1300.8762437663.

Adding to 2201445551 its reverse (1555441022), we get a palindrome (3756886573).

The spelling of 2201445551 in words is "two billion, two hundred one million, four hundred forty-five thousand, five hundred fifty-one".